#ifndef _AwMath #define _AwMath //- // ========================================================================== // Copyright (C) 1995 - 2006 Autodesk, Inc. and/or its licensors. All // rights reserved. // // The coded instructions, statements, computer programs, and/or related // material (collectively the "Data") in these files contain unpublished // information proprietary to Autodesk, Inc. ("Autodesk") and/or its // licensors, which is protected by U.S. and Canadian federal copyright // law and by international treaties. // // The Data is provided for use exclusively by You. You have the right // to use, modify, and incorporate this Data into other products for // purposes authorized by the Autodesk software license agreement, // without fee. // // The copyright notices in the Software and this entire statement, // including the above license grant, this restriction and the // following disclaimer, must be included in all copies of the // Software, in whole or in part, and all derivative works of // the Software, unless such copies or derivative works are solely // in the form of machine-executable object code generated by a // source language processor. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND. // AUTODESK DOES NOT MAKE AND HEREBY DISCLAIMS ANY EXPRESS OR IMPLIED // WARRANTIES INCLUDING, BUT NOT LIMITED TO, THE WARRANTIES OF // NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR // PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE, OR // TRADE PRACTICE. IN NO EVENT WILL AUTODESK AND/OR ITS LICENSORS // BE LIABLE FOR ANY LOST REVENUES, DATA, OR PROFITS, OR SPECIAL, // DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES, EVEN IF AUTODESK // AND/OR ITS LICENSORS HAS BEEN ADVISED OF THE POSSIBILITY // OR PROBABILITY OF SUCH DAMAGES. // // ========================================================================== //+ // // AwMath // // ***************************************************************************** #define kFloatEpsilon 1.0e-5F #define kDoubleEpsilon 1.0e-10 #define kDoubleEpsilonSqr 1.0e-20 #define kExtendedEpsilon kDoubleEpsilon #define kPi 3.14159265358979323846264338327950 #if COMPILER_NEEDS_BOOL_TYPEDEF typedef char bool; #define true 1 #define false 0 #endif inline bool equivalent(double x, double y, double fudge = kDoubleEpsilon) { return ((x > y) ? (x - y <= fudge) : (y - x <= fudge)); } inline double clamp(double a, double l, double h) { return ((a) < (l) ? (l) : (a) > (h) ? (h) : (a)); } #endif /* _AwMath */